//
//  MainTabBar.swift
//  WeChat
//
//  Created by 梁迪 on 15/12/12.
//  Copyright © 2015年 梁迪. All rights reserved.
//

import UIKit

class MainTabBar: UITabBar {
    
    
   

    override init(frame: CGRect) {
        super.init(frame: frame)
        addSubview(composeBtn)
    }

    required init?(coder aDecoder: NSCoder) {
//        fatalError("init(coder:) has not been implemented")
        super.init(coder: aDecoder)
        addSubview(composeBtn)
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        let w = self.bounds.width / 5
        let h = self.bounds.height
        let rect = CGRect(x: 0, y: 0, width: w, height: h)
        
        
        
        var index:CGFloat = 0
        for subview in subviews{
            
            if subview.isKindOfClass(NSClassFromString("UITabBarButton")!){
                
                
               subview.frame = CGRectOffset(rect, index * w, 0)
                
                
                index += (index == 1 ? 2 : 1)
            }
            
            
            
        }
        
    composeBtn.frame = CGRectOffset(rect, 2*w, -10)
        bringSubviewToFront(composeBtn)
        
    }
    
    lazy var composeBtn : UIButton = UIButton(imageName: "tabbar_compose_icon_add", backImageName: "tabbar_compose_button")
//    lazy var composeBtn: UIButton = {
//        
//        let btn = UIButton()
//        btn.setImage(UIImage(named: "tabbar_compose_icon_add"), forState: .Normal)
//        btn.setImage(UIImage(named: "tabbar_compose_icon_add_highlighted"), forState: .Highlighted)
//        
//        btn.setBackgroundImage(UIImage(named: "tabbar_compose_button"), forState: .Normal)
//        btn.setBackgroundImage(UIImage(named: "tabbar_compose_button_highlighted"), forState: .Highlighted)
//        btn.sizeToFit()
//
//        
//        return btn
//    
//    }()
    

}
